07-20-2020 03:54 PM
Hi, I have this exact diagram where FL-RT01 is configure with 4 VLANs on its subinterfaces of g0/1 (Router on a Stick), I'm trying to get an IP address only for VLAN 10 through DHCP, the vlan 10 of the router g0/1.10 is already trunked and has the command ip helper to forward the request to AZ-RT01 that has the DHCP Pool, I can ping AZ-RT01 through MetroE from FL-RT01 but for some reason I can't get an IP add for VLAN10. I'm running out of ideas to troubleshoot this. Thank you in advance!!
07-20-2020 04:01 PM
FLORIDA SWITCH (FL-SW01)
Building configuration...
Current configuration : 4769 bytes
!
! Last configuration change at 00:08:51 UTC Mon Jan 2 2006
!
version 15.2
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname FL-SW01
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$RsSw$2WTeuW5wGF9bQ7Ij/mNpX/
!
no aaa new-model
switch 1 provision ws-c3750x-48p
system mtu routing 1500
!
!
!
!
!
!
no ip domain-lookup
!
!
!
!
!
!
crypto pki trustpoint TP-self-signed-2309270912
enrollment selfsigned
subject-name cn=IOS-Self-Signed-Certificate-2309270912
revocation-check none
rsakeypair TP-self-signed-2309270912
!
!
crypto pki certificate chain TP-self-signed-2309270912
certificate self-signed 01
3082022B 30820194 A0030201 02020101 300D0609 2A864886 F70D0101 05050030
31312F30 2D060355 04031326 494F532D 53656C66 2D536967 6E65642D 43657274
69666963 6174652D 32333039 32373039 3132301E 170D3036 30313032 30303031
33395A17 0D323030 31303130 30303030 305A3031 312F302D 06035504 03132649
4F532D53 656C662D 5369676E 65642D43 65727469 66696361 74652D32 33303932
37303931 3230819F 300D0609 2A864886 F70D0101 01050003 818D0030 81890281
8100BE78 4CF1987C D0B763FD 2547E474 43E5FD5A 14FF1C2F B0426B81 DFAC4C5C
3DAF20E9 35BDDE49 76D286C5 7BF5D2AC 59833185 049E0C50 F8006C2F 4B2330A9
52F1351D B7AA8CAF D73C6AE7 EA873AD9 1398AE7A B08145EA 8EAE0756 C07CF0A1
E59626D6 1E483D7D 79E1AB70 90BF96A4 63A11293 905F8206 C72321DC 3C34F4D5
FD1F0203 010001A3 53305130 0F060355 1D130101 FF040530 030101FF 301F0603
551D2304 18301680 14FF3C5D C8AF6560 22BC6F86 54FE8137 3F3CC606 B8301D06
03551D0E 04160414 FF3C5DC8 AF656022 BC6F8654 FE81373F 3CC606B8 300D0609
2A864886 F70D0101 05050003 81810026 6A4848C6 A4BB074F BE2C156A 31990C2F
504BAF0B 80CDF89B F6DF29E7 EA27BE55 E77FED0A BECC2C1E FAA89A5F 0BC89B29
EBDCCED7 D7F4A09E F485BABD 030C1BCC A6782F75 EF2A5A54 FC662A81 B515B952
99C58313 C9C72EEB E6BCFABC A43353A9 383E19B8 9CB7615C 3CCC1715 9D4DF41D
329D4A35 5CCDDE09 8E22A4B6 625877
quit
!
!
!
!
spanning-tree mode rapid-pvst
spanning-tree extend system-id
!
!
!
!
vlan internal allocation policy ascending
!
lldp run
!
!
!
!
!
!
!
!
!
!
!
interface FastEthernet0
no ip address
!
interface GigabitEthernet1/0/1
description TO NV-RT01
switchport trunk encapsulation dot1q
switchport mode trunk
!
interface GigabitEthernet1/0/2
description TO NV-WP01
!
interface GigabitEthernet1/0/3
!
interface GigabitEthernet1/0/4
!
interface GigabitEthernet1/0/5
!
interface GigabitEthernet1/0/6
!
interface GigabitEthernet1/0/7
!
interface GigabitEthernet1/0/8
!
interface GigabitEthernet1/0/9
!
interface GigabitEthernet1/0/10
!
interface GigabitEthernet1/0/11
!
interface GigabitEthernet1/0/12
!
interface GigabitEthernet1/0/13
!
interface GigabitEthernet1/0/14
!
interface GigabitEthernet1/0/15
!
interface GigabitEthernet1/0/16
!
interface GigabitEthernet1/0/17
!
interface GigabitEthernet1/0/18
!
interface GigabitEthernet1/0/19
!
interface GigabitEthernet1/0/20
!
interface GigabitEthernet1/0/21
!
interface GigabitEthernet1/0/22
!
interface GigabitEthernet1/0/23
!
interface GigabitEthernet1/0/24
!
interface GigabitEthernet1/0/25
!
interface GigabitEthernet1/0/26
!
interface GigabitEthernet1/0/27
!
interface GigabitEthernet1/0/28
!
interface GigabitEthernet1/0/29
!
interface GigabitEthernet1/0/30
!
interface GigabitEthernet1/0/31
!
interface GigabitEthernet1/0/32
!
interface GigabitEthernet1/0/33
!
interface GigabitEthernet1/0/34
!
interface GigabitEthernet1/0/35
!
interface GigabitEthernet1/0/36
!
interface GigabitEthernet1/0/37
!
interface GigabitEthernet1/0/38
!
interface GigabitEthernet1/0/39
!
interface GigabitEthernet1/0/40
!
interface GigabitEthernet1/0/41
!
interface GigabitEthernet1/0/42
!
interface GigabitEthernet1/0/43
!
interface GigabitEthernet1/0/44
!
interface GigabitEthernet1/0/45
!
interface GigabitEthernet1/0/46
!
interface GigabitEthernet1/0/47
!
interface GigabitEthernet1/0/48
!
interface GigabitEthernet1/1/1
!
interface GigabitEthernet1/1/2
!
interface GigabitEthernet1/1/3
!
interface GigabitEthernet1/1/4
!
interface TenGigabitEthernet1/1/1
!
interface TenGigabitEthernet1/1/2
!
interface Vlan1
no ip address
!
interface Vlan10
ip address dhcp
!
ip forward-protocol nd
!
ip http server
ip http secure-server
!
!
!
banner motd ^C
******************************************************************
THIS IS THE FLORIDA SWITCH FL-SW01!!! YOU SHOULDN'T BE HERE!!!!
*****************************************************************
^C
!
line con 0
exec-timeout 0 0
password 7 094F471A1A0A
logging synchronous
login
line vty 0 4
exec-timeout 0 0
password 7 104D000A0618
logging synchronous
login
line vty 5 15
exec-timeout 0 0
password 7 104D000A0618
logging synchronous
login
!
!
end
FL-SW01#
*******************************************************************************************************************
FLORIDA ROUTER (FL-RT01)
FL-RT01#sh run
Building configuration...
Current configuration : 2284 bytes
!
! Last configuration change at 21:45:15 UTC Mon Jul 20 2020
!
version 15.6
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname FL-RT01
!
boot-start-marker
boot system flash:c3900-universalk9-mz.SPA.156-3.M.bin
boot-end-marker
!
!
enable secret 5 $1$RgZA$IV1KqHrizOiDJrk2Wie8T0
!
no aaa new-model
ethernet lmi ce
!
!
!
!
!
!
!
!
!
!
!
!
no ip domain lookup
ip cef
no ipv6 cef
!
multilink bundle-name authenticated
!
!
!
!
license udi pid C3900-SPE100/K9 sn FOC175238X8
!
!
!
redundancy
!
!
!
!
!
!
interface Embedded-Service-Engine0/0
no ip address
shutdown
!
interface GigabitEthernet0/0
description TO MetroE
ip address 172.16.0.3 255.255.255.0
duplex auto
speed auto
!
interface GigabitEthernet0/1
description TO FL-SW01
no ip address
duplex auto
speed auto
!
interface GigabitEthernet0/1.10
encapsulation dot1Q 10
ip address 10.16.16.1 255.255.255.0
ip helper-address 172.16.0.1
!
interface GigabitEthernet0/1.20
encapsulation dot1Q 20
ip address 10.16.18.1 255.255.255.0
!
interface GigabitEthernet0/1.30
encapsulation dot1Q 30
ip address 10.16.20.1 255.255.255.0
!
interface GigabitEthernet0/1.40
encapsulation dot1Q 40
ip address 10.16.22.1 255.255.255.0
!
interface GigabitEthernet0/2
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet0/0/0
description CONNECTED TO AZ-SW02
no ip address
duplex auto
speed auto
!
ip forward-protocol nd
!
no ip http server
no ip http secure-server
!
!
!
!
!
control-plane
!
!
banner motd ^C
******************************************************************************************
THIS IS THE FLORIDA ROUTER FL-RT01 AND I WOULD'T DO THAT IF I WERE YOU!!
************************************************************************
^C
!
line con 0
exec-timeout 0 0
password 7 0822455D0A16
logging synchronous
login
line aux 0
line 2
no activation-character
no exec
transport preferred none
transport output pad telnet rlogin lapb-ta mop udptn v120 ssh
stopbits 1
line vty 0 4
exec-timeout 0 0
password 7 00071A150754
logging synchronous
login
transport input all
line vty 5 15
exec-timeout 0 0
password 7 00071A150754
logging synchronous
login
transport input all
!
scheduler allocate 20000 1000
!
end
FL-RT01#
****************************************************************************************************************
ARIZONA ROUTER (AZ-RT01)
AZ-RT01#sh run
Building configuration...
Current configuration : 3280 bytes
!
! No configuration change since last restart
!
version 15.7
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname AZ-RT01
!
boot-start-marker
boot system flash:c2900-universalk9-mz.SPA.157-3.M3.bin
boot-end-marker
!
!
enable secret 4 vwcGVdcUZcRMCyxaH2U9Y/PTujsnQWPSbt.LFG8lhTw
!
no aaa new-model
clock timezone ARIZONA -7 0
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
ip dhcp excluded-address 10.16.0.1 10.16.0.3
ip dhcp excluded-address 10.16.16.1 10.16.16.5
!
ip dhcp pool SERVER(VLAN10)
network 10.16.0.0 255.255.255.0
default-router 10.16.0.1
dns-server 8.8.8.8 4.2.2.2
domain-name cbtnuggets.com
!
ip dhcp pool LX-DELL-PC
host 10.16.0.5 255.255.255.0
hardware-address d037.4502.be2f
!
ip dhcp pool FLORIDA(V10)
network 10.16.16.0 255.255.255.0
default-router 10.16.16.1
dns-server 8.8.8.8 4.2.2.2
domain-name floridda.cbtnuggets.com
!
!
!
no ip domain lookup
ip domain name ARIZONA
ip cef
no ipv6 cef
multilink bundle-name authenticated
!
!
!
!
crypto pki trustpoint TP-self-signed-2929887687
enrollment selfsigned
subject-name cn=IOS-Self-Signed-Certificate-2929887687
revocation-check none
rsakeypair TP-self-signed-2929887687
!
!
crypto pki certificate chain TP-self-signed-2929887687
license udi pid CISCO2911/K9 sn FTX1634AJ56
!
!
username cisco privilege 15 password 7 112A1016141D5A5E57
!
redundancy
!
!
!
!
!
!
interface Embedded-Service-Engine0/0
no ip address
shutdown
!
interface GigabitEthernet0/0
ip address dhcp
ip nat outside
ip virtual-reassembly in
duplex auto
speed auto
!
interface GigabitEthernet0/1
description TO MetroE
ip address 172.16.0.1 255.255.255.0
duplex auto
speed auto
!
interface GigabitEthernet0/2
description TO AZ-SW01
no ip address
ip nat inside
ip virtual-reassembly in
duplex auto
speed auto
!
interface GigabitEthernet0/2.10
encapsulation dot1Q 10
ip address 10.16.0.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
interface GigabitEthernet0/2.20
encapsulation dot1Q 20
ip address 10.16.2.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
interface GigabitEthernet0/2.30
encapsulation dot1Q 30
ip address 10.16.4.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
interface GigabitEthernet0/2.40
encapsulation dot1Q 40
ip address 10.16.6.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
!
!
ip forward-protocol nd
!
ip http server
ip http authentication local
ip http secure-server
!
ip nat inside source list NAT-SOURCES interface GigabitEthernet0/0 overload
ip route 0.0.0.0 0.0.0.0 192.168.1.1
ip route 10.16.0.0 255.255.248.0 GigabitEthernet0/2
!
ip access-list standard NAT-SOURCES
permit 10.0.0.0 0.255.255.255
!
ipv6 ioam timestamp
!
!
!
control-plane
!
!
vstack
!
line con 0
exec-timeout 0 0
password 7 070C285F4D06
logging synchronous
login
line aux 0
line 2
no activation-character
no exec
transport preferred none
transport output lat pad telnet rlogin lapb-ta mop udptn v120 ssh
stopbits 1
line vty 0 4
exec-timeout 0 0
password 7 02050D480809
logging synchronous
login
transport input all
line vty 5 15
exec-timeout 0 0
password 7 02050D480809
logging synchronous
login
transport input all
!
scheduler allocate 20000 1000
ntp master 5
ntp server 132.163.96.5
!
end
AZ-RT01#
07-20-2020 05:10 PM
Hi @LX P
Just to rule out, can you verify that vlan 10 is created on the switch?
This is because vlan interfaces (SVI) remain UP UP when the vlan exists and is assigned to a switch port.
Regards
07-20-2020 05:53 PM
07-20-2020 06:25 PM
Hi @LX P
To finish ruling out that it is a SVI problem, can you verify that the interface vlan 10 is UP UP?
Have you tried assigning vlan 10 to a switch port that has a connected device (UP)?
Have you tried connecting another device (for example a PC) to that router interface and requesting DHCP?
Regards
07-20-2020 06:35 PM
07-20-2020 06:09 PM
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